fp-ts Mastery

fp-ts is the most widely used library for typed functional programming in TypeScript, bringing abstractions from Haskell and Scala with strict type safety.

Installation and Setup

npm install fp-ts

// Import from specific modules
import * as O from 'fp-ts/Option';
import * as E from 'fp-ts/Either';
import * as A from 'fp-ts/Array';
import * as TE from 'fp-ts/TaskEither';
import { pipe, flow } from 'fp-ts/function';